20007418037668 has 12 divisors (see below), whose sum is σ = 35039976934732. Its totient is φ = 9995996056320.

The previous prime is 20007418037657. The next prime is 20007418037683. The reversal of 20007418037668 is 86673081470002.

It can be written as a sum of positive squares in 2 ways, for example, as 10414510031104 + 9592908006564 = 3227152^2 + 3097242^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1928234793 + ... + 1928245168.

Almost surely, 2^{20007418037668} is an apocalyptic number.

It is an amenable number.

20007418037668 is a deficient number, since it is larger than the sum of its proper divisors (15032558897064).

20007418037668 is a wasteful number, since it uses less digits than its factorization.

20007418037668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856481262 (or 3856481260 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 20007418037668 in words is "twenty trillion, seven billion, four hundred eighteen million, thirty-seven thousand, six hundred sixty-eight".